Played by thousands of people worldwide, GemStone IV is the largest and longest running massively multiplayer text-based game ever. Experience our rich roleplaying environment and exciting combat, profession, and magic systems for yourself! Now with F2P!

Rated #1 MUD in the world by Total Gaming PC magazine. 100+ players online, 17 classes from Blademaster to Serpentlord, great documentation, friendly full-time staff. Become a Dragon, lead a city-state, run a mining empire, or dive into our epic PvP!

Free & online since 1993, WOTmud is a *remarkably* complex, challenging and immersive MUD, set in Robert Jordan's fantasy "Wheel of Time" universe. The PK is fierce, and roleplay is as realistic and exciting as possible. Try us out today!

Realms of Despair is the ever growing home of the SMAUG codebase. Completely free, RoD offers over 150 original, unique areas and offers rp, pk, a multitude of guilds, orders, clans, sects, and nation based organizations. RoD has something for everyone.

Rated #1 non-commercial MUD in the world by Total PC Gaming magazine. Discworld combines the richness of Pratchett's novels with a deeply detailed game world. Under constant development since 1992 - like a fine wine, we've only gotten better with age.

You awaken, dressed in linen wrappings and bereft of memory. It is a Castle split in twain, a home to ancient peoples, a place of new opportunity. Mystery, romance, chivalry, fantasy, and intrigue combine in the story of Castle Marrach.

"Threshold might be an old-fashioned text-based MUD, but it emphasizes roleplaying and story and boasts fervent players." -Computer Games Magazine. Over 22 years in operation and free to play. Join us!

Since 1994, thousands of people have found high adventure in Tolkien's world at the award-winning The Two Towers MUD. Battle fierce enemies, go on dangerous quests, and make friends and meet new people in this rich, dynamic world. Free to play!

Darkness shrouds the world of Aetolia as elder gods rise from unearthly prisons! Join us in an eternal struggle between the forces of undeath and mortals. Complex PvP, a mature roleplaying environment, intricate crafting, and multiclassing! Free to play!

The age of the gods is over; the age of mortals has arrived. Blood and death wash the land as mortal factions war and foul creatures roam unopposed. Some are content with mediocrity, but will you be the hero Imperian needs?

The most complex and highly-developed MUD, evolving since 1996. Advanced combat, magic, & skill systems, unique guilds & races. Craft gear, open a shop, own a home, explore for hours. Hundreds playing in a rich world. Now with F2P!

A highly social/political, anthro role-playing game. Many races and cultures. Set during a renaissance - muskets, magic and science! Become involved as noble houses vie for control and guilds strive for power. Which side will you take? Free trial.

An ancient evil has corrupted much of the land and people, making Lusternia a broken and perilous place. This multi-planar realm sees factions struggle to amass reservoirs of magical energy simply to survive. Hundreds of quests, endless opportunity.

Starmourn is an upcoming epic sci-fi MUD from the leader in MUDs - Iron Realms Entertainment. Come visit our site to learn about the game and sign up for the email list, so you can get weekly news about its progress and early access to the beta!

Immerse yourself in The Eternal-City, the best Roman fantasy RPG on the net. With a vast array of skillsets, an unparalleled combat system, incredible role-playing opportunities and more. Free to play. Role-play is mandatory.

Continuing the tradition of the Sojourn family of MUDs, Toril features a richly detailed and completely original Forgotten Realms based world. Join the ranks of Sojourners today to discover the unsurpassed gameplay waiting for you on TorilMUD.

Think you're smart? Then try the many challenges 4 Dimensions offers. A Mud where success is not determined on your RL wallet or how much time you spend bashing mobs. The players that really get to the top in 4D are the ones who like to use their heads.

Serious code supported RPG set in the dark future (+85 years) of a city in a geodesic dome. Heavy influences from popular sci-fi movies and novels. Friendly player base and helpful staff. Excellent webclient, no plugins required.